A: Training Group: Three conditions will be perform; with waveform feedback, with numerical value feedback, and without feedback of tongue pressure.

Interventions/Control_2

Interventions/Control_3

Interventions/Control_4

Interventions/Control_5

Interventions/Control_6

Interventions/Control_7

Interventions/Control_8

Interventions/Control_9

Interventions/Control_10

Eligibility

Age-lower limit

60

years-old

<=

Age-upper limit

Not applicable

Gender

Male and Female

Key inclusion criteria

Patients with
1) decreasing tongue pressure compared with average in participant's age, 2) Dysarthria or Dysphagia.

Key exclusion criteria

Participants can't understand the instruction
about oral movement because of dementia, higher brain function disorder and aphasia.
Participants could aspirate their saliva during tongue elevation because of severe dysphagia.